Trap and separator for denial vacuum systems

Details Trap and separator for denial vacuum systems Trap and separator for denial vacuum systems

1989-10-18

1991-05-21

Wilson, John J.

Dentistry

Apparatus

Having suction orifice

A61C 1706

Patent

active

050171356

ABSTRACT:
A dental vacuum system includes a sludge trap and liquid separator between dental operatories and a vacuum source (vacuum pump). The sludge trap separates out metals, such as silver, gold, and mercury, and other large particles from the fluid flow between the operatories and the vacuum source. By utilizing a static structure including a sanitary tee, a plastic pipe extending downwardly from the tee, and a slide valve, the metals may be easily collected, and periodically capped and sent to salvage, for the recovery of the metals. The liquid separator comprises a number of plastic pipes extending downwardly from a linear flow path of the fluid slurry to the vacuum pump. A number of sanitary tees are provided connected to the pipes, the pipes each having a larger cross-sectional area (diameter) than the fluid conduit connected to the vacuum pump. At their bottoms, the pipes are connected to a common drain valve. No-hub (quick release) couplings may be used for easy removal of components.

REFERENCES:
patent: 665571 (1901-01-01), Metzler
patent: 3484941 (1969-12-01), Svard
patent: 3777403 (1973-12-01), Ritchie
patent: 3964112 (1976-06-01), Plowman
patent: 3988134 (1976-10-01), Gandrud
patent: 4529383 (1985-07-01), Jerzy

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